Amazon.com: Cloudray GaAs Focus Lens Dia. 20mm (0.79") FL 63.5mm (2.5") for CO2 Laser Engraver Cutter
Available Lenses
Amazon.com: SCULPFUN 6Pcs S30 Pro Max Original Laser Lens, Easy to Install, Highly Transparent, Anti-Oil and Anti-Smoke, for Laser Engraver and Laser Cutter : Industrial & Scientific